.box{
  display: flex;
}
.box1 {
  width: 100px;
  height: 100px;
  background-color: green;
}
.img1 {
  width: 250px;
  height: 200px;
  background-image: url('../images/kuloou.png');
  background-size: cover;
}

.img2 {
  width: 250px;
  height: 200px;
  background-image: url('../images/bule-cup.jpg');
  background-size: cover;
}